354 



NATURAL HISTORY BULLETIN. 



52. C. vulpinoidea Michx. Fl. N. Am., 11, 169 (1803). 



Illus. Flora, i, 345, fig. 830; Gray's Man., 6th ed , 61.5 : Arthur, Fl. Iowa, 33; 

 Hitchcock, PI. Ames, 525; Mac Mil Ian, Metas. Minn. Val., 113; Tracy, 

 Fl. Mo., 95; Bessey, Cont. Fl. Iowa, 123; Brendel, Fl. Peoriana, 62; 

 Wheeler, Fl. Milwaukee Co., Wis., 1S7; Williams, Grass, and For. PI. 

 Daks., 42; Fink, Iowa Acad. Sci., iv, 105. 



Very common in low, wet ground, the fruit a greenish 

 brown when mature; quite variable in regard to size, usually 

 growing in large, dense tufts, sometimes one or two feet in 

 diameter. It is more common in ground that is occasionally 

 flooded with water, but also occurs in quite dry soil along 

 roadsides and in neglected places. 



Johnson county, 1894, Shimek; Emmet county, 1878, and 

 Spirit Lake, 1896, Cratiy • Fayette county, 1895, Miss Ona 

 M. Rounds ; Greenfield, 1892, Stewart; Ames and Iowa City, 

 Hitchcock ; Webster City, 1891, Pammel ; Hamilton county, 

 1891, Rolfs; Lucas county, Shepherd; Winneshiek county, 

 July, 1896, Fitzjxitrick ; Jasper county, May, 1886, JVorris; 

 Johnson county, July, 1897, a very slender form, Misses Finch 

 & Cavanagh; Muscatine Island, Louisa count)', Aug. 1, 

 1897, Shimek & Meyers ; Fort Dodge, Jul)- 5, 1897, Grand 

 River, June, 1890, and Granite, Lyon county, June, 1897, 

 Shimek; Colo, July 6, 1897, Vernon; Ledyard, Kossuth 

 countv, July 21, 1897, Pammel ; Missouri Valley, June 21, 

 1897, and Belmond and New Albin, 1897, Pammel; 

 Boone, 1897, Steele; Le Claire. 1897, Rolfs; Scott and Mus- 

 catine counties, Barnes & Miller. 



53. C. xanthocarpa Bicknell. Bull. Ton*. Club, xx, 22 



(1896). PI. VII. 

 Illus. Flora, 1, 345, fig. 831. 



This species has not heretofore been reported west of Ohio. 

 In general appearance it quite closely resembles the preced- 

 ing but differs from it in having the culms much longer than 

 the leaves, the bracts much shorter and inconspicuous, the 

 larger ovate-elliptic perigynia a bright yellow. Our speci- 

 mens have the perigynia wider than the figure in the Illus- 



